// 店铺信息类接口
import axios from 'axios'
import { Dialog } from 'vant';
import { Toast } from 'vant';


axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const request = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  // https://www.tangzhezu.com/api/
  baseURL: window.location.protocol+'api',
  // 超时
  timeout: 20000
})
// request拦截器
request.interceptors.request.use(config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  // get请求映射params参数
  if (config.method === 'get' && config.params) {
    let url = config.url + '?';
    for (const propName of Object.keys(config.params)) {
      const value = config.params[propName];
      var part = encodeURIComponent(propName) + "=";
      if (value !== null && typeof(value) !== "undefined") {
        if (typeof value === 'object') {
          for (const key of Object.keys(value)) {
            let params = propName + '[' + key + ']';
            var subPart = encodeURIComponent(params) + "=";
            url += subPart + encodeURIComponent(value[key]) + "&";
          }
        } else {
          url += part + encodeURIComponent(value) + "&";
        }
      }
    }
    url = url.slice(0, -1);
    config.params = {};
    config.url = url;
  }
  return config
}, error => {
  Promise.reject(error)
})

// 响应拦截器
request.interceptors.response.use(res => {
    // 未设置状态码则默认成功状态
    if (typeof res.data === 'string') {
      res.data = JSON.parse(res.data);
    }
    if (res.data) {
      if (res.data.data) {
        if (res.data.data.total) {
          res.data.data.total = parseInt(res.data.data.total);
        }
      }
    }
    const code = res.data.code;
    // 获取错误信息
    const msg = res.data.message
    if (code === 401 || code === '401') {
      MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
        confirmButtonText: '重新登录',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
      })
    } else if (code === 500) {
      Toast.fail(msg);
      return Promise.reject(new Error(msg))
    } else if (code !== 2000 && code !== 200) {
      Toast.fail(msg);
      return Promise.reject('error')
    } else {
      return res.data.data
    }
  },
  error => {
    let {
      message
    } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    } else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    } else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    Toast.fail(message);
    return Promise.reject(error)
  }
)
export default request
